ball valve parts-Ball, through CNC grinders and millings, insure good surface and perfect slot, high spherical too.
Name: The hollow sphere
Material: 304 316 304L 316L A105 LF2 42CrMo 1Cr13 F51 Monel 17-4PH,etc.
Specification:DN50-DN900
Certificate: ISO9001:2008
Forged hollow fixed valve ball




